CVE-2020-1621 Explained : Impact and Mitigation
Discover the details of CVE-2020-1621 affecting Juniper Networks' Junos OS Evolved. Learn about the impact, affected versions, and mitigation steps for this vulnerability.
In April 2020, Juniper Networks identified a vulnerability in Junos OS Evolved that could allow a local, authenticated user to access hashed login passwords via configd traces. This CVE-2020-1621 impacts Junos OS Evolved versions prior to 19.3R1.
Understanding CVE-2020-1621
This section provides insights into the nature and implications of CVE-2020-1621.
What is CVE-2020-1621?
A local, authenticated user with shell access can extract hashed login passwords through configd traces in Junos OS Evolved versions before 19.3R1.
The Impact of CVE-2020-1621
- CVSS Base Score: 5.5 (Medium)
- Confidentiality Impact: High
- Attack Vector: Local
- No known malicious exploitation
Technical Details of CVE-2020-1621
Explore the vulnerability specifics in this section.
Vulnerability Description
The flaw allows a local user to obtain hashed login password values via configd traces.
Affected Systems and Versions
- Affected Product: Junos OS Evolved
- Vendor: Juniper Networks
- Vulnerable Versions: All versions before 19.3R1-EVO
Exploitation Mechanism
- Attack Complexity: Low
- Privileges Required: Low
- No User Interaction Required
Mitigation and Prevention
Learn how to address and prevent CVE-2020-1621.
Immediate Steps to Take
- Upgrade to fixed versions like 19.3R1-EVO and later releases.
Long-Term Security Practices
- Regularly monitor security advisories from Juniper Networks.
- Implement proper access controls and segregation of duties.
- Conduct security training for users about safe practices.
Patching and Updates
- Apply recommended security patches and updates promptly.